wmud/old-codebase/src/weather.c

179 lines
4.2 KiB
C
Raw Normal View History

2012-03-03 20:35:30 +00:00
/* ************************************************************************
* File: weather.c Part of CircleMUD *
* Usage: functions handling time and the weather *
* *
* All rights reserved. See license.doc for complete information. *
* *
* Copyright (C) 1993, 94 by the Trustees of the Johns Hopkins University *
* CircleMUD is based on DikuMUD, Copyright (C) 1990, 1991. *
************************************************************************ */
#include "conf.h"
#include "sysdep.h"
#include "structs.h"
#include "utils.h"
#include "comm.h"
#include "handler.h"
#include "interpreter.h"
#include "db.h"
extern struct time_info_data time_info;
void weather_and_time(int mode);
void another_hour(int mode);
void weather_change(void);
void weather_and_time(int mode)
{
another_hour(mode);
if (mode)
weather_change();
}
void another_hour(int mode)
{
time_info.hours++;
if (mode) {
switch (time_info.hours) {
case 5:
weather_info.sunlight = SUN_RISE;
send_to_outdoor("The sun rises in the east.\r\n");
break;
case 6:
weather_info.sunlight = SUN_LIGHT;
send_to_outdoor("The day has begun.\r\n");
break;
case 21:
weather_info.sunlight = SUN_SET;
send_to_outdoor("The sun slowly disappears in the west.\r\n");
break;
case 22:
weather_info.sunlight = SUN_DARK;
send_to_outdoor("The night has begun.\r\n");
break;
default:
break;
}
}
if (time_info.hours > 23) { /* Changed by HHS due to bug ??? */
time_info.hours -= 24;
time_info.day++;
if (time_info.day > 34) {
time_info.day = 0;
time_info.month++;
if (time_info.month > 16) {
time_info.month = 0;
time_info.year++;
}
}
}
}
void weather_change(void)
{
int diff, change;
if ((time_info.month >= 9) && (time_info.month <= 16))
diff = (weather_info.pressure > 985 ? -2 : 2);
else
diff = (weather_info.pressure > 1015 ? -2 : 2);
weather_info.change += (dice(1, 4) * diff + dice(2, 6) - dice(2, 6));
weather_info.change = MIN(weather_info.change, 12);
weather_info.change = MAX(weather_info.change, -12);
weather_info.pressure += weather_info.change;
weather_info.pressure = MIN(weather_info.pressure, 1040);
weather_info.pressure = MAX(weather_info.pressure, 960);
change = 0;
switch (weather_info.sky) {
case SKY_CLOUDLESS:
if (weather_info.pressure < 990)
change = 1;
else if (weather_info.pressure < 1010)
if (dice(1, 4) == 1)
change = 1;
break;
case SKY_CLOUDY:
if (weather_info.pressure < 970)
change = 2;
else if (weather_info.pressure < 990) {
if (dice(1, 4) == 1)
change = 2;
else
change = 0;
} else if (weather_info.pressure > 1030)
if (dice(1, 4) == 1)
change = 3;
break;
case SKY_RAINING:
if (weather_info.pressure < 970) {
if (dice(1, 4) == 1)
change = 4;
else
change = 0;
} else if (weather_info.pressure > 1030)
change = 5;
else if (weather_info.pressure > 1010)
if (dice(1, 4) == 1)
change = 5;
break;
case SKY_LIGHTNING:
if (weather_info.pressure > 1010)
change = 6;
else if (weather_info.pressure > 990)
if (dice(1, 4) == 1)
change = 6;
break;
default:
change = 0;
weather_info.sky = SKY_CLOUDLESS;
break;
}
switch (change) {
case 0:
break;
case 1:
send_to_outdoor("The sky starts to get cloudy.\r\n");
weather_info.sky = SKY_CLOUDY;
break;
case 2:
send_to_outdoor("It starts to rain.\r\n");
weather_info.sky = SKY_RAINING;
break;
case 3:
send_to_outdoor("The clouds disappear.\r\n");
weather_info.sky = SKY_CLOUDLESS;
break;
case 4:
send_to_outdoor("Lightning starts to show in the sky.\r\n");
weather_info.sky = SKY_LIGHTNING;
break;
case 5:
send_to_outdoor("The rain stops.\r\n");
weather_info.sky = SKY_CLOUDY;
break;
case 6:
send_to_outdoor("The lightning stops.\r\n");
weather_info.sky = SKY_RAINING;
break;
default:
break;
}
}